Function lf_text_render_wchar

leif.c:3081–3205

LfTextProps lf_text_render_wchar(vec2s pos, const wchar_t* str, LfFont font, LfColor color, 
                                 int32_t wrap_point, vec2s stop_point, bool no_render, bool render_solid, int32_t start_index, int32_t end_index) {
  bool culled = item_should_cull((LfAABB){.pos = (vec2s){pos.x, pos.y + get_current_font().font_size}, .size = (vec2s){-1, -1}});

  // Retrieving the texture index
  float tex_index = -1.0f;
  if (!culled && !no_render) {
    if (state.render.tex_count - 1 >= MAX_TEX_COUNT_BATCH - 1) {
      renderer_flush();
      renderer_begin();
    }
    for (uint32_t i = 0; i < state.render.tex_count; i++) {
      if (state.render.textures[i].id == font.bitmap.id) {
        tex_index = (float)i;
        break;
      }
    }
    if (tex_index == -1.0f) {
      tex_index = (float)state.render.tex_index;
      LfTexture tex = font.bitmap;
      state.render.textures[state.render.tex_count++] = tex;
      state.render.tex_index++;
    }
  }

  // Local variables needed for rendering
  LfTextProps ret = {0};
  float x = pos.x;
  float y = pos.y;

  int32_t max_descended_char_height = get_max_char_height_font(font);

  float last_x = x;

  float height = get_max_char_height_font(font);
  float width = 0;

  uint32_t i = 0;
  while (str[i] != L'\0') {
    if (str[i] >= font.num_glyphs) {
      i++;
      continue;
    }
    if (stbtt_FindGlyphIndex((const stbtt_fontinfo*)font.font_info, str[i] - 32) == 0 && 
      str[i] != L' ' && str[i] != L'\n' && str[i] != L'\t' && !iswdigit(str[i]) && !iswpunct(str[i])) {
      i++;
      continue;
    }
    if (i >= end_index && end_index != -1) {
      break;
    }

    // Calculate the width of the next word
    float word_width = 0;
    uint32_t j = i;
    while (str[j] != L' ' && str[j] != L'\n' && str[j] != L'\0') {
      stbtt_aligned_quad q;
      stbtt_GetBakedQuad((stbtt_bakedchar*)font.cdata, font.tex_width, font.tex_height, str[j] - 32, &word_width, &y, &q, 0);